Table 1.

Vehicle speed in miles per hour, by road type and setting

Road type and mode of travel	Rural	Urban	Inner urban	Conurbation central core
Motorway	65	53	43	37
A-road dual c/w	53	28	22	19
A-road single c/w	40	25	22	19
B-road dual c/w	43	22	19	16
B-road single c/w	34	19	16	12
Primary road dual c/w	56	31	25	22
Primary road single c/w	43	25	19	16
Private road	28	19	16	12
Unclassified road	28	19	16	12

This table is a summary of the matrix of travel speeds incorporated within the Mapinfo Drivetime software. The full matrix includes travel speeds for passing places, ferry routes, tunnels, and central London.